Heinrich Köhler 384 Auction – Day 1 Single Lots: Europe and Colonies, Kingdom of Lombardy–Venetia – The "P.G." Collection

1881 (October 4), 10pa black & rose, overprinted “R.O.” in blue, tied by neatly-struck circular grid cancel in blue to bilingual newspaper “Maritza”, Vol. 3, No. 322, published in Plovdiv, adhesive with remarkably bright colour, the newspaper with trivial flaws but similarly fresh, a superb and late usage, an extremely rare example of a sound “R.O.” overprinted issue on a newspaper; with 2022 Hitzler certificate.